Coulomb excitation of 168Er

Kotliński, B.; Cline, D.; Bäcklin, A.; Helmer, Karl G.; Kavka, A.E.; Kernan, W.J.; Vogt, E.G.; Wu, Cheng‐Li; Diamond, R. M.; Macchiavelli, A. O.; Deleplanque, M. A.

doi:10.1016/0375-9474(90)90040-s

Cited by 37 publications

(30 citation statements)

References 22 publications

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“…For most transitional nuclei, the situation is intermediate: Both mechanisms of generating angular momentum are present, one favored over the other as the angular momentum increases. The rotor-like scenario has been well studied, with the measured reduced transition probabilities, i.e., B(E2) values, confirming that the deformation remains rather constant [7]. However, the strong increase of deformation with angular momentum, which characterizes a tidal wave, is demonstrated for the first time in the work reported here.…”

supporting

confidence: 79%

Tidal Waves inPd102: A Rotating Condensate of MultipledBosons

et al. 2013

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Low-lying collective excitations in even-even vibrational and transitional nuclei may be described semiclassically as quadrupole running waves on the surface of the nucleus ("tidal waves"), and the observed vibrational-rotational behavior can be thought of as resulting from a rotating condensate of interacting d bosons. These concepts have been investigated by measuring lifetimes of the levels in the yrast band of the (102)Pd nucleus with the Doppler shift attenuation method. The extracted B(E2) reduced transition probabilities for the yrast band display a monotonic increase with spin, in agreement with the interpretation based on rotation-induced condensation of aligned d bosons.

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supporting

confidence: 79%

Tidal Waves inPd102: A Rotating Condensate of MultipledBosons

et al. 2013

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“…The gosia code was further validated and tested in the analysis of an extensive data set for several W-Os-Pt isotopes [10][11][12][13]. In the following years, it was used to study shape evolution and coexistence in many regions of the nuclear chart, including transitional nuclei [14][15][16], rare earths [17] and actinides [18], as well as exotic octupole shapes [19].…”

Section: The Gosia Codementioning

confidence: 99%

Analysis methods of safe Coulomb-excitation experiments with radioactive ion beams using the GOSIA code

et al. 2016

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Abstract. With the recent advances in radioactive ion beam technology, Coulomb excitation at safe energies becomes an important experimental tool in nuclear-structure physics. The usefulness of the technique to extract key information on the electromagnetic properties of nuclei has been demonstrated since the 1960's with stable beam and target combinations. New challenges present themselves when studying exotic nuclei with this technique, including dealing with low statistics or number of data points, absolute and relative normalisation of the measured cross sections and a lack of complementary experimental data, such as excited-state lifetimes and branching ratios. This paper addresses some of these common issues and presents analysis techniques to extract transition strengths and quadrupole moments utilising the least-squares fit code, gosia.

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“…5) Extracted from the χ 2 fitting of the matrix elements M(E2; ∆I = 0, ±1, ±2) γ→g (I γ = 2, 3, ..., 8) obtained by the Coulomb excitation experiment in Ref. 56) just in the same way as 2). for 182 Os, and two-quasineutron and two-quasiproton states for 148 Gd.…”

Section: )mentioning

confidence: 99%

Nuclear wobbling motion and electromagnetic transitions

Shimizu

Matsuzaki

1995

Nuclear Physics A

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The nuclear wobbling motion is studied from a microscopic viewpoint. It is shown that the expressions not only of the excitation energy but also of the electromagnetic transition rate in the microscopic RPA framework can be cast into the corresponding forms of the macroscopic rotor model. Criteria to identify the rotational band associated with the wobbling motion are given, based on which examples of realistic calculations are investigated and some theoretical predictions are presented.

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Coulomb excitation of 168Er

Cited by 37 publications

References 22 publications

Tidal Waves inPd102: A Rotating Condensate of MultipledBosons

Tidal Waves inPd102: A Rotating Condensate of MultipledBosons

Analysis methods of safe Coulomb-excitation experiments with radioactive ion beams using the GOSIA code

Nuclear wobbling motion and electromagnetic transitions

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